Regular Member Mariposa Posted October 30, 2003 Regular Member Share Posted October 30, 2003 About a year ago, when buying fish at vvvv, the guy who caught our fish told us what sex they were. When we asked him how he knew, he said that a male will have long anal fins and that female will have shorter ones! Is that true? We were buying koi at the time also, maybe that's what he meant?? I don't know where he got that info! Anyone else ever heard this? Link to comment Share on other sites More sharing options...
Regular Member blinky000 Posted October 30, 2003 Regular Member Share Posted October 30, 2003 well, ive heard males have a thicker first spine of the anal fin but ive never heard that one before. if it is true it could help me a lot whe buying my bubble eyes and oranda tomorrow! Link to comment Share on other sites More sharing options...
Admin koko Posted November 10, 2003 Admin Share Posted November 10, 2003 That couldnt be possible cause of the Fancys that are raised to have the longer fins. You can tell by the thickness of the anal fins but this takes a good eye on telling the thickness of them. Best way to try to tell is when its matting time (the white bumps on the face and the front fins also the butt). Link to comment Share on other sites More sharing options...
Regular Member pm94 Posted November 10, 2003 Regular Member Share Posted November 10, 2003 Here's a pic I got from Koko that might help. Link to comment Share on other sites More sharing options...
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